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For the Inventor, By the Inventor

Atsugi, Japan

Junji Kotani

This inventor holds 24 USPTO granted patents and 7 published patent applications, primarily in Compound Semiconductor Devices. Top assignee: Fujitsu Corporation. Active years: 2013-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Junji Kotani. Retrieved from https://idiyas.com/inventor/junji-kotani

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank
USPTO Granted Patents = 24 

% Patents Active = 83.3

Average Co-Inventor Count = 2.1

ph-index = 3

Forward Citations = 25(Granted Patents)


Location History:

  • Isehara, JP (2013 - 2017)
  • Atsugi, JP (2015 - 2023)

Company Filing History:

goldMedal24 out of 39,387 
 
Fujitsu Corporation
 patents

Years Active: 2013-2025

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Areas of Expertise:
Compound Semiconductor Device
Amplifier
Manufacturing Method
High Power
Reduced Off-Leakage
Quantum Well Structure
Power Supply Device
High-Frequency Amplifier
Semiconductor Crystal Substrate
Fe Doping
Multiple Cap Layers
Nitride Semiconductor
24 patents (USPTO):Explore Patents
1. 12369345 - Compound semiconductor device, amplifier, and method for manufacturing compound semiconductor device (2025-07-22),
2. 11791384 - Semiconductor device (2023-10-17),
3. 11646366 - Semiconductor device (2023-05-09),
4. 10992269 - Compound semiconductor device with high power and reduced off-leakage and method for manufacturing the same (2021-04-27),
5. 10847642 - Compound semiconductor device and fabrication method (2020-11-24),
6. 10707338 - Semiconductor device and method of manufacturing the same (2020-07-07),
7. 10665710 - Compound semiconductor device and fabrication method (2020-05-26),
8. 10651305 - Compound semiconductor device with quantum well structure, power supply device, and high-frequency amplifier (2020-05-12),
9. 10622469 - Compound semiconductor device and method for manufacturing the same (2020-04-14),
10. 10600901 - Compound semiconductor device and manufacturing method thereof (2020-03-24),
11. 10431656 - Semiconductor crystal substrate with Fe doping (2019-10-01),
12. 10242936 - Semiconductor device and method of fabricating the semiconductor device (2019-03-26),
13. 10032899 - Semiconductor device and method therefor including multiple cap layers with amorphous layer (2018-07-24),
14. 9997612 - Compound semiconductor device and method of manufacturing the same (2018-06-12),
15. 9831310 - Compound semiconductor device, method for producing the same, power-supply unit, and high-frequency amplifier (2017-11-28),

Title: Junji Kotani - Pioneering Inventor from Atsugi, Japan

Introduction: Junji Kotani is a renowned inventor hailing from Atsugi, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Junji Kotani holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his continuous dedication to pushing the boundaries of technological advancement.

Career Highlights: With a career spanning over two decades, Junji Kotani has worked with leading tech companies in Japan, spearheading research and development projects that have led to significant technological breakthroughs.

Collaborations: Throughout his career, Junji Kotani has collaborated with top researchers, engineers, and scientists both in Japan and internationally, fostering a culture of innovation and knowledge sharing.

Conclusion: Junji Kotani's relentless pursuit of innovation and his passion for creating technology that makes a difference have solidified his position as a trailblazer in the world of inventions.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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